Definitions of drip:

• noun:   (architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway)
• noun:   the sound of a liquid falling drop by drop

  Example: "The constant sound of dripping irritated him"

• noun:   flowing in drops; the formation and falling of drops of liquid

  Example: "There's a drip through the roof"

• verb:   fall in drops

  Example: "Water is dripping from the faucet"

• verb:   let or cause to fall in drops